Nothing is worse than having your Wi-Fi network hacked, or used by other people, especially when trying to preform bandwidth heavy tasks, like streaming, downloading, or playing on XboxLive. Now a team of SUPER researchers from the University of Tokyo has developed an aluminum-iron oxide that blocks radio frequencies up to four times beyond existing anti=RF technologies. The paint puts out a magnetic field which resonates at the same frequency as the electromagnetic wave, like your router, that you want to block. It shouldn’t be that expensive. Currently it’s estimated to run $14 per kilogram. According to Gizmodo, the average gallon of paint runs 2lbs, then the cost to make a can of the paint would be around $50. It’s not really on the cheap side, but it’s well worth it if you like to stay private.
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